Modular shelter



FIG. 1 is a front, right side perspective view of the modular shelter, showing my new design;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a front, left side perspective view thereof;

FIG. 4 is another back perspective view thereof

FIG. 5 is a top plan view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a left side elevation view thereof;

FIG. 8 is a back plan view thereof; and,

FIG. 9 is a right side elevation view thereof. 

The ornamental design for a modular shelter, as shown and described. 